When docker_manager notices that there is a Discourse update, you get a link to it, but if your plugins have updates, there is no way for a Normal Person to get to the upgrade page to find out about them. Also, sometimes an update breaks things and you need to update to the very latest and not wait for the next bump.
Could we have a “check for updates” link?
(Says the guy who guessed /admin/updates, /admin/update, and maybe /admin/upgrades before guessing the right URL.)